Outlook Attachment Extractor Software - 2026 Pricing, Features, Reviews & Alternatives

Someone asks for every invoice from last year, and they sit inside thousands of emails in an old .pst file. Trying to save all attachments from Outlook by hand means opening each message and clicking Save As, which can take days. Outlook Attachment Extractor Software is an outlook attachment extractor for Windows that reads the .pst or .ost itself and puts the attached files into a folder, with filters that keep the result usable.

📌 Where it helps

A mailbox export from a former employee arrives on a USB drive, and nobody has that person's Outlook profile. The program opens the file without Outlook, so IT can extract attachments from Outlook data that no longer has an account behind it.

A shared accounts inbox holds years of supplier mail. Filter the list by sender or subject, keep only PDF and XLS/XLSX, and the matching documents come out with date-prefixed names that sort in order.

A lawyer needs the documents from one project folder. Tick only that folder, recreate its structure on disk, and keep the CSV report as a record of what was taken.

A long thread has the same drawing attached to every reply. Content-based duplicate detection writes that drawing once instead of once per reply.

A department head wants contracts, not logos. Small files and inline images are left out by default, so the folder holds the real paperwork.

🚀 How to start

1. Install the program and load a .pst or .ost file. One archive is opened per session.

2. Check the Attachments column to see which emails actually carry files.

3. Use ticked folders or highlighted emails as the source.

4. Set the extension filter, the minimum size in KB, inline images, duplicates and overwrite behavior.

5. Choose between a mirrored folder tree and a single folder, and between original names and Date_Subject_Name.

6. Press Start, then open the destination when the counter reaches the end.

🎯 Who it is for

Back-office staff, IT administrators handling mailbox handovers, legal teams assembling document sets, and freelancers who keep years of client mail in PST backups. If you need the files rather than the emails, this outlook attachment extractor fits the job. It does not convert messages to PDF and does not connect to a live Exchange or IMAP account.

❓ FAQ

How do I download all attachments from Outlook without opening every email? Load the data file, tick the folders that matter and press Start. Each attachment becomes a separate file on disk, with no zip to unpack.

Can it read an OST from a computer where the account is gone? Yes. The OST is read as a plain file, so no Exchange connection or mail profile is required.

Will two files called invoice.pdf overwrite each other? Only if you allow it. Otherwise the second copy is saved as invoice_1.pdf and the first stays untouched.

Can I keep only PDF files? Yes. Switch the extension filter to selected types, leave PDF on, and type any extra extension you want next to the presets.

✅ Why this outlook attachment extractor saves time

The list shows the number of attachments per message before anything is written. A text filter on Subject, From, To or Body shrinks a big mailbox to the part you need. Processing stays on your PC, offline, so confidential mail is never sent to a website. The outlook attachment extractor also handles an archive that Outlook refuses to open, because it uses its own reader.

ℹ️ Free trial: when a selection holds 20 attachments or fewer, all of them are extracted. Bigger selections return 10 percent, rounded up and limited to 100 files, so you can judge the output on your own mail before buying. A registered key lifts the limit. Windows 11, 10, 8.1, 8 or 7.